Tools & Wizards About Us
europepmc.org screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

europepmc.org

Home - Europe PMC

Page Load Speed

3.9 sec in total

First Response

427 ms

Resources Loaded

2.7 sec

Page Rendered

822 ms

europepmc.org screenshot

About Website

Visit europepmc.org now to see the best up-to-date Europe PMC content for China and also check out these interesting facts you probably never knew about europepmc.org

Europe PMC is an archive of life sciences journal literature.

Visit europepmc.org

Key Findings

We analyzed Europepmc.org page load time and found that the first response time was 427 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

europepmc.org performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value31.0 s

0/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value4,440 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

europepmc.org

427 ms

jquery-1.11.1.min-ver-8101D596B2B8FA35FE3A634EA342D7C3.js

333 ms

orcid-min.css

250 ms

AccoutSigninPanel-ver-23536C62407C81CFCDCB80EBF689D4C9.js

250 ms

all.min.css

285 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 95% of them (59 requests) were addressed to the original Europepmc.org, 2% (1 request) were made to Script.crazyegg.com and 2% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Europepmc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.8 kB (57%)

Content Size

43.7 kB

After Optimization

18.9 kB

  • HTML
  • JavaScript

In fact, the total size of Europepmc.org main page is 43.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. HTML takes 41.1 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 24.7 kB

  • Original 41.1 kB
  • After minification 40.6 kB
  • After compression 16.4 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 24.7 kB or 60% of the original size.

JavaScript Optimization

-1%

Potential reduce by 21 B

  • Original 2.6 kB
  • After minification 2.6 kB
  • After compression 2.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 37 (77%)

Requests Now

48

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Europe PMC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

europepmc.org

europepmc.org

427 ms

jquery-1.11.1.min-ver-8101D596B2B8FA35FE3A634EA342D7C3.js

jquery-1.11.1.min-ver-8101D596B2B8FA35FE3A634EA342D7C3.js

333 ms

orcid-min.css

orcid-min.css

250 ms

AccoutSigninPanel-ver-23536C62407C81CFCDCB80EBF689D4C9.js

AccoutSigninPanel-ver-23536C62407C81CFCDCB80EBF689D4C9.js

250 ms

all.min.css

all.min.css

285 ms

style.css

style.css

284 ms

jquery_ui.css

jquery_ui.css

309 ms

jquery_menu.css

jquery_menu.css

347 ms

yahoo-min.js

yahoo-min.js

348 ms

dom-min.js

dom-min.js

380 ms

enrichment.js

enrichment.js

381 ms

enrichment.css

enrichment.css

412 ms

hoverIntent.js

hoverIntent.js

415 ms

jquery.js

jquery.js

417 ms

epmc.ncbi.css

epmc.ncbi.css

420 ms

epmc.js

epmc.js

475 ms

epmc_new.css

epmc_new.css

477 ms

compromise.css

compromise.css

516 ms

7749.js

7749.js

42 ms

index.min.js

index.min.js

30 ms

chunk-vendors.328f3140.css

chunk-vendors.328f3140.css

593 ms

app.7c3b58bb.css

app.7c3b58bb.css

511 ms

piwik.js

piwik.js

4 ms

chunk-65ea6b62.1f22a5ad.css

chunk-65ea6b62.1f22a5ad.css

429 ms

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chunk-65ea6b62.993e0b8a.js

504 ms

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chunk-30203c74.6f499fd3.css

504 ms

chunk-30203c74.38716309.js

chunk-30203c74.38716309.js

516 ms

local-compromise.css

local-compromise.css

544 ms

jquery-ui.min-ver-80CBC031ED1AE0BD82C578DD2D6A4EA0.js

jquery-ui.min-ver-80CBC031ED1AE0BD82C578DD2D6A4EA0.js

850 ms

epmc-min.js

epmc-min.js

603 ms

responsify-analytics-min.js

responsify-analytics-min.js

602 ms

jquery-ui-min.css

jquery-ui-min.css

602 ms

advanced_search-min.css

advanced_search-min.css

648 ms

chunk-vendors.9ccfb206.js

chunk-vendors.9ccfb206.js

1092 ms

app.98edadb8.js

app.98edadb8.js

1015 ms

wz_tooltip.js

wz_tooltip.js

788 ms

chunk-65ea6b62.1f22a5ad.css

chunk-65ea6b62.1f22a5ad.css

280 ms

chunk-65ea6b62.993e0b8a.js

chunk-65ea6b62.993e0b8a.js

312 ms

chunk-30203c74.6f499fd3.css

chunk-30203c74.6f499fd3.css

108 ms

chunk-30203c74.38716309.js

chunk-30203c74.38716309.js

96 ms

epmc-logo-single.svg

epmc-logo-single.svg

99 ms

epmc-bubbles.a5eec4e5.svg

epmc-bubbles.a5eec4e5.svg

107 ms

innovative-features.b45d0859.svg

innovative-features.b45d0859.svg

86 ms

comprehensive-search.0e8a687e.svg

comprehensive-search.0e8a687e.svg

97 ms

trusted-partnerships.a5a6b213.svg

trusted-partnerships.a5a6b213.svg

170 ms

what-is-europe-pmc.b5e62f34.jpeg

what-is-europe-pmc.b5e62f34.jpeg

388 ms

how-researchers-are-using-europe-pmc.a752be03.jpg

how-researchers-are-using-europe-pmc.a752be03.jpg

390 ms

gbc-footer.86def661.png

gbc-footer.86def661.png

388 ms

OpenSans-Regular.629a55a7.ttf

OpenSans-Regular.629a55a7.ttf

493 ms

OpenSans-Regular.ttf

OpenSans-Regular.ttf

609 ms

OpenSans-Semibold.33f225b8.ttf

OpenSans-Semibold.33f225b8.ttf

404 ms

OpenSans-Semibold.ttf

OpenSans-Semibold.ttf

916 ms

OpenSans-Bold.50145685.ttf

OpenSans-Bold.50145685.ttf

799 ms

OpenSans-Bold.ttf

OpenSans-Bold.ttf

1010 ms

OpenSans-ExtraBold.8bac22ed.ttf

OpenSans-ExtraBold.8bac22ed.ttf

651 ms

fa-solid-900.0a95f951.ttf

fa-solid-900.0a95f951.ttf

906 ms

fa-solid-900.woff

fa-solid-900.woff

801 ms

fa-regular-400.3c264849.ttf

fa-regular-400.3c264849.ttf

736 ms

fa-regular-400.woff

fa-regular-400.woff

821 ms

fa-brands-400.b7dee83c.ttf

fa-brands-400.b7dee83c.ttf

1127 ms

piwik.js

piwik.js

633 ms

stats

stats

623 ms

Accessibility Review

europepmc.org accessibility score

84

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

Best Practices

europepmc.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

europepmc.org SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Europepmc.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Europepmc.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

europepmc.org

Open Graph description is not detected on the main page of Europe PMC. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: